Home / 727,471.29-1,004,326.80-486,162.57

Finding the Fourth Proportional to 727,471.29, 1,004,326.80 and 486,162.57

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Solution

The fourth proportional to 727,471.29, 1,004,326.80 and 486,162.57 is: 671,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,471.29 : 1,004,326.80 = 486,162.57 : x
  2. Step 2: Convert to fraction form
    727,471.29/1,004,326.80 = 486,162.57/x
  3. Step 3: Cross multiply
    727,471.29x = 1,004,326.80 × 486,162.57
  4. Step 4: Simplify right side
    727,471.29x = 488,266,098,207.88
  5. Step 5: Solve for x
    x = 488,266,098,207.88/727,471.29
  6. Step 6: Final answer
    x = 671,182.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.